There are three versions: the index, for computers with monitors, with a bit of javascript code to JMP to the mobile code if it's opened in a phone or tablet, with a link to a second desktop version that doesn't throw you back to the mobile version.
The index and desktop versions have the first page of each chapter a scan of the original 19th century book. You can adjust the size of the ASCII but not an image of ASCII. Ctrl + and - will adjust the size of the ASCII typface.
The first page of each chapter in the desktop version is unreadable on a phone, its illustrations are full-screen in the mobile version with too low a resolution for a desktop and don't look very good at all.
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